feat(gridster): drag-and-drop widget resizing

Author: vieron

src/jquery.gridster.css

@@ -47,15 +47,71 @@
     transition:  left .3s, top .3s!important;
 }
 
-.gridster .dragging {
+.gridster .dragging,
+.gridster .resizing {
     z-index: 10!important;
     -webkit-transition: all 0s !important;
     -moz-transition: all 0s !important;
     -o-transition: all 0s !important;
     transition: all 0s !important;
 }
 
+
+.gs-resize-handle {
+    position: absolute;
+    z-index: 1;
+}
+
+.gs-resize-handle-both {
+    width: 20px;
+    height: 20px;
+    bottom: -8px;
+    right: -8px;
+    background-image: url('data:image/svg+xml;base64,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');
+    background-position: top left;
+    background-repeat: no-repeat;
+    cursor: se-resize;
+    z-index: 20;
+}
+
+.gs-resize-handle-x {
+    top: 0;
+    bottom: 13px;
+    right: -5px;
+    width: 10px;
+    cursor: e-resize;
+}
+
+.gs-resize-handle-y {
+    left: 0;
+    right: 13px;
+    bottom: -5px;
+    height: 10px;
+    cursor: s-resize;
+}
+
+.gs-w:hover .gs-resize-handle,
+.resizing .gs-resize-handle {
+    opacity: 1;
+}
+
+.gs-resize-handle,
+.gs-w.dragging .gs-resize-handle {
+    opacity: 0;
+}
+
+.gs-resize-disabled .gs-resize-handle {
+    display: none!important;
+}
+
+[data-max-sizex="1"] .gs-resize-handle-x,
+[data-max-sizey="1"] .gs-resize-handle-y,
+[data-max-sizey="1"][data-max-sizex="1"] .gs-resize-handle {
+    display: none !important;
+}
+
 /* Uncomment this if you set helper : "clone" in draggable options */
 /*.gridster .player {
   opacity:0;
-}*/
+}
+*/